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Stem cells: Edexcel A‑Level Biology B questions

Every Edexcel A-Level Biology B exam question on 7.3 Stem cells, 2016–2025, with its mark scheme and examiner’s report.

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1,826 questions

  1. Q9(a)(i)

    June 2024 · Paper 1

    3 marks7.3 Stem cells
    The whole paper ↗
    June 2024 Paper 1, question 9(a)(i): Explain why there is no synthesis of globin subunits in the first few days after fertilisation. (3)

  2. Q3(b)

    June 2023 · Paper 3

    2 marks7.3 Stem cells
    The whole paper ↗
    June 2023 Paper 3, question 3(b): Explain why it is possible to clone many herbicide‑resistant plants from one infected plant in Step F. (2)

  3. Q4(c)

    October 2020 · Paper 1

    4 marks7.3 Stem cells
    The whole paper ↗
    October 2020 Paper 1, question 4(c): The diagram shows some stages in the production of blood cells from bone marrow stem cells. Bone marrow stem cell Common myeloid progenitor cell Common lymphoid

  4. Q5(a)(ii)

    June 2019 · Paper 1

    3 marks7.3 Stem cells
    The whole paper ↗
    June 2019 Paper 1, question 5(a)(ii): Describe the differences between totipotent, pluripotent and multipotent stem cells during the development of an embryo. (3)

  5. Q5(a)(iii)

    June 2019 · Paper 1

    2 marks7.3 Stem cells
    The whole paper ↗
    June 2019 Paper 1, question 5(a)(iii): Analyse the graph to explain why DNA methylation is involved in the development of an embryo. (2)

  6. Q5(b)

    June 2019 · Paper 1

    2 marks7.3 Stem cells
    The whole paper ↗
    June 2019 Paper 1, question 5(b): Explain why some cells are not able to become other cell types. (2)

  7. Q4(c)

    June 2017 · Paper 1

    5 marks7.3 Stem cells
    The whole paper ↗
    June 2017 Paper 1, question 4(c): Both embryonic stem cells and induced pluripotent stem cells (iPS cells) can be used to create new heart cells. Compare and contrast the properties and uses of
All 7 questions on Stem cells, as a list
  1. June 2024, Paper 1, Q9(a)(i) (3 marks): Explain why there is no synthesis of globin subunits in the first few days after fertilisation. (3)
  2. June 2023, Paper 3, Q3(b) (2 marks): Explain why it is possible to clone many herbicide‑resistant plants from one infected plant in Step F. (2)
  3. October 2020, Paper 1, Q4(c) (4 marks): The diagram shows some stages in the production of blood cells from bone marrow stem cells. Bone marrow stem cell Common myeloid progenitor cell Common lymphoid
  4. June 2019, Paper 1, Q5(a)(ii) (3 marks): Describe the differences between totipotent, pluripotent and multipotent stem cells during the development of an embryo. (3)
  5. June 2019, Paper 1, Q5(a)(iii) (2 marks): Analyse the graph to explain why DNA methylation is involved in the development of an embryo. (2)
  6. June 2019, Paper 1, Q5(b) (2 marks): Explain why some cells are not able to become other cell types. (2)
  7. June 2017, Paper 1, Q4(c) (5 marks): Both embryonic stem cells and induced pluripotent stem cells (iPS cells) can be used to create new heart cells. Compare and contrast the properties and uses of

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